Pecans are a high-quality source of protein and contain zero cholesterol. They also have very few carbohydrates making them a great choice if you are on a restricted salt or low-salt diet. The plant sterols in pecans help protect your heart against heart disease. There are several great nutrients in pecans that can help you live a healthy live such as; high protein, zinc, vitamin b, potassium, magnesium, calcium, and zero cholesterol.